CN210590095U - Core-pulling type die for composite material launching part of wind tunnel weight-reducing airplane model - Google Patents
Core-pulling type die for composite material launching part of wind tunnel weight-reducing airplane model Download PDFInfo
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Abstract
The utility model provides a wind-tunnel subtracts heavy aircraft model combined material send out room part formula mould of loosing core relates to wind-tunnel aircraft model part and makes technical field, has solved the technical problem that traditional half mould bag pressure forming die that exists can't form the interior surface of send out room part and the technical problem of shaped surface simultaneously among the prior art, including outer mould and inner core mould, the inside of outer mould is provided with the die cavity, the interior surface of die cavity and the shaped surface size cooperation of send out room part, the surface of inner core mould and the interior surface size cooperation of send out room part, the inner core mould can be dismantled and set up in the die cavity, the die cavity between inner core mould and the outer mould can form annular double-layered chamber, annular double-layered chamber is used for the shaping of send out room part; the utility model discloses outer mould and inner core mould mutually support, and the inside and outside face of room part can be sent out in the shaping simultaneously to the room part of sending out that produces, can satisfy the required precision of the inside and outside face of room part simultaneously.
Description
Technical Field
The utility model relates to a wind-tunnel aircraft model part makes technical field, concretely relates to wind-tunnel subtracts heavy aircraft model combined material send out room part core-pulling formula mould.
Background
When the airplane is used for wind tunnel experiments, a scaling model with the same pneumatic appearance as that of a real airplane needs to be manufactured and connected to a supporting device in the wind tunnel to carry out experiments such as force measurement, pressure measurement and the like. The larger the size of the wind tunnel test section is, the larger the airplane model which can be accommodated by the wind tunnel test section is, and the weight rise of the large-size wind tunnel test model puts more severe requirements on the strength rigidity of the model and the bearing capacity of the wind tunnel internal support device. The wind tunnel experiment airplane model is subjected to weight reduction design, so that the strength and rigidity performance of the wind tunnel experiment airplane model can be greatly improved, and meanwhile, the existing supporting device is fully utilized.
The weight reduction design of the wind tunnel experiment airplane model is mainly realized through several aspects:
1. the weight of the metal part is reduced, more grid structure designs are used, and a non-key bearing area adopts a cavity structure design;
2. the integral blanking processing structure adopted by the traditional model processing is changed into a skin skeleton structure, and a large amount of carbon fiber composite materials with high specific strength and specific rigidity are applied in the structure.
The method is characterized in that a mould required by the wind tunnel experimental model manufactured by applying the composite material is designed, processed and manufactured according to the characteristics of the structure, and a composite material part is molded according to a formulated process flow after the composite material part is qualified, wherein the composite material part of the wind tunnel airplane model needs to meet two most basic requirements: the forming method has the advantages that the forming method has enough strength and rigidity and has the inner surface and the outer surface which meet the requirement of dimensional accuracy, the traditional half-mold bag pressing forming mold can provide most parts required by a wind tunnel experiment airplane model, but the forming of a send-out room part is difficult to realize because the inner cavity and the outer cavity of the send-out room part have the requirement of dimensional accuracy of the inner surface and the outer surface, and the traditional half-mold bag pressing forming method cannot realize the simultaneous forming of the inner surface and the outer surface of the send-out room part.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a core-pulling type mould for a composite material hair-room part of a wind tunnel weight-reducing airplane model, which aims to solve the technical problem that the traditional half-mould bag pressing forming mould in the prior art can not simultaneously form the inner surface and the outer surface of the hair-room part; the utility model provides a plurality of technical effects that the preferred technical scheme in a plurality of technical schemes can produce (the upper half-mould of the outer mould and the lower half-mould of the outer mould are mutually matched for forming the outer surface of the hair-styling part, the tensioning block of the upper half-mould and the tensioning block of the lower half-mould are mutually matched to ensure that the upper half-mould of the outer mould and the lower half-mould of the outer mould are more tightly matched to provide a premise for forming the hair-styling part, the positioning holes and the positioning pins are mutually matched for positioning when the upper half-mould of the outer mould and the lower half-mould of the outer mould are matched, the lip positioning block and the tail positioning block are matched with the cavity for installing and positioning the inner core mould, the outer core mould is arranged on the inner core around a circle and the outer surface is matched with the inner surface of the hair-styling part in size for forming the inner surface of the hair-styling part, the inner core is arranged into a quadrilateral inner core, the weight of a single part is light, and a mode of assembling and disassembling step by step is adopted, so that the die assembly and the die release of the die are facilitated; the connecting end of the lip inner core is provided with a mounting groove, and the connecting end of the tail inner core is provided with a positioning part, so that the positioning is accurate, and the disassembly and the assembly are convenient; the upper, lower, left and right core modules are provided with mounting blocks, so that the outer core module can be tightly mounted on the inner core; see below for details.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a pair of wind-tunnel subtracts heavy aircraft model combined material send out room part core-pulling formula mould, including outer mould and inner core mould, wherein: the inside of outer mould is provided with the die cavity, the internal surface of die cavity and the outer shape face size cooperation of send out the room part, the surface of inner core mould and the interior shape face size cooperation of sending out the room part, the inner core mould can be dismantled and set up in the die cavity, the inner core mould with die cavity between the outer mould can form annular clamp chamber, annular clamp chamber is used for the shaping of sending out the room part.
Preferably, the outer mold comprises an outer mold upper half and an outer mold lower half, wherein: the upper half die of the outer die is detachably connected with the lower half die of the outer die; the bottom surface of the upper half die of the outer die is provided with a first cavity, the top surface of the lower half die of the outer die is provided with a second cavity, and when the upper half die of the outer die is connected with the lower half die of the outer die, the first cavity is connected with the second cavity to form the cavity.
Preferably, an upper mold tensioning block is arranged on the side wall of the upper mold half of the outer mold, a lower mold tensioning block is arranged on the side wall of the lower mold half of the outer mold, and a connecting piece sequentially penetrates through the upper mold tensioning block and the lower mold tensioning block to connect the upper mold half of the outer mold with the lower mold half of the outer mold.
Preferably, the bottom surface of the upper half die of the outer die is provided with a positioning hole and/or a positioning pin, the top surface of the lower half die of the outer die is provided with the positioning pin and/or the positioning hole, and the upper half die of the outer die and the lower half die of the outer die are connected in a positioning manner through the corresponding positioning hole and the positioning pin.
Preferably, the outer mold further comprises a lip positioning block and a tail positioning block, wherein: the lip positioning block and the tail positioning block are detachably connected to two end faces of the upper half die of the outer die respectively and can be plugged into the inner core die, the lip positioning block is provided with a lip positioning groove, the tail positioning block is provided with a tail positioning groove, and the lip end and the tail end of the inner core die are arranged in the lip positioning groove and the tail positioning groove respectively.
Preferably, the inner core mold comprises an inner core, an outer side core mold is detachably arranged on the outer wall of the inner core, the outer side core mold is detachably arranged on the outer wall of the inner core around a circle, and the outer surface of the outer side core mold is matched with the inner shape surface of the hair-styling part in size.
Preferably, the inner core is a quadrangular inner core, the outer core mold comprises an upper core module, a right core module, a lower core module and a left core module, and the upper core module, the right core module, the lower core module and the left core module are detachably connected to four side walls of the quadrangular inner core respectively.
Preferably, the inner core includes lip inner core and tail inner core, the lip inner core with the connection can be dismantled to the tail inner core, go up the side core module the right side core module downside core module with the left side core module can be dismantled the setting respectively and be in the lip inner core with on the lateral wall of tail inner core.
Preferably, the connecting end of the lip inner core is provided with a positioning part, the connecting end of the tail inner core is provided with a mounting groove, the shape of the positioning part is matched with that of the mounting groove, and when the lip inner core is connected with the tail inner core, the positioning part is arranged in the mounting groove.
Preferably, mounting blocks are arranged at two ends of the upper core module, the right core module, the lower core module and the left core module, a first mounting hole is arranged on each mounting block in a penetrating manner, and second mounting holes are arranged on four side surfaces of the lip inner core and four side surfaces of the tail inner core; and a threaded fastener is inserted into the second mounting hole through the first mounting hole, so that the upper core module, the right core module, the lower core module and the left core module are connected to the outer side walls of the lip inner core and the tail inner core.
The utility model provides a pair of wind-tunnel subtracts heavy aircraft model combined material send out room part loose core formula mould has following beneficial effect at least:
the core-pulling type mold for the composite material launching part of the wind tunnel weight-reducing airplane model comprises an outer mold and an inner core mold, wherein a cavity is arranged in the outer mold, the inner surface of the cavity is matched with the outer surface of the launching part in size, and the outer mold is used for molding the outer surface of the launching part; the outer surface of the inner core mould is matched with the inner shape surface of the hair-styling part in size, and the inner core mould is used for molding the inner shape surface of the hair-styling part; the inner core die is detachably arranged in the cavity of the outer die, the cavity between the inner core die and the outer die can form an annular clamping cavity, and the inner core die and the outer die are matched with each other to connect the outer surface of the formed hair-sending part with the inner surface of the hair-sending part, so that the hair-sending part is manufactured; the utility model discloses the outer profile and the interior profile of the part can be sent out in the shaping simultaneously to the send out room part that outer mould and inner core mould mutually supported core-pulling type mould were produced, and then satisfy the required precision of the interior, the outer profile of sending out room part simultaneously to improve wind tunnel test's accuracy, the utility model discloses a core-pulling type combined material sends out room forming die to the characteristics and the technical requirement invention that subtract heavy aircraft model send out room part mainly is used for making the wind tunnel test and subtracts heavy aircraft model's send out room part, subtracts heavy to aircraft model and has apparent contribution, has wide application prospect in wind tunnel test aircraft model manufacturing field.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is an exploded view of the outer mold of the present invention;
FIG. 3 is a schematic structural view of the outer mold of the present invention;
fig. 4 is a schematic structural view of the inner core mold of the present invention;
fig. 5 is an exploded view of the inner core mold of the present invention;
fig. 6 is an exploded view of the inner core of the present invention;
fig. 7 is a schematic structural view of the hair-sending component of the present invention.
Reference numerals
1-an outer mould; 11-outer mold upper half; 111-a first cavity; 112-upper mold tensioning block; 12-outer mold lower half; 121-a second cavity; 122-lower mold half tensioning block; 13-tail mouth positioning block; 131-a tail opening positioning groove; 132-a first mounting block positioning slot; 14-a lip positioning block; 141-lip positioning groove; 142-a second mounting block positioning slot; 15-a cavity; 2-inner core mould; 21-inner core; 211-tail mouth inner core; 2111-a through hole; 212-lip core; 2121-opening holes; 2122-a positioning part; 213-second mounting hole; 22-outside core mold; 221-upper core module; 222-right core module; 223-lower core module; 224-left core module; 23-a mounting block; 231-first mounting holes; 3-a hair-house component; 31-lip; 32-neck portion; 33-tail.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The utility model provides a wind-tunnel subtracts heavy aircraft model combined material send out room part loose core formula mould, as figure 1 the utility model discloses schematic structure, figure 2 the utility model discloses outer mould exploded view and figure 3 the utility model discloses outer mould structural schematic diagram is shown, wind-tunnel subtracts heavy aircraft model combined material send out room part loose core formula mould includes outer mould 1 and inner core mould 2, wherein: the inside of outer mould 1 is provided with die cavity 15, and the internal surface of die cavity 15 and the outer shape face size cooperation of sending out room part 3, the surface of inner core mould 2 and the interior shape face size cooperation of sending out room part 3, and inner core mould 2 can be dismantled and set up in die cavity 15, and die cavity 15 between inner core mould 2 and the outer mould 1 can form the annular clamp chamber, the annular clamp chamber is used for sending out room part 3's shaping.
When the forming die is used, firstly, the outer surface of the hair-sending part is manufactured through the outer die 1, the inner surface of the hair-sending part is manufactured through the inner core die 2, then the manufactured inner surface of the hair-sending part and the inner core die 2 are installed in the die cavity 15 together, and the manufactured outer surface of the hair-sending part and the manufactured inner surface of the hair-sending part are connected to finish the final forming of the hair-sending part; the utility model discloses, outer mould 1 and inner core mould 2 mutually support and form the formula mould of loosing core, can realize sending out the preparation of the interior shape of room part and the outer shape of room part, and the precision of the interior shape of the room part of final fashioned and outer shape all is not greater than 0.1mm to the effectual accuracy of guaranteeing aircraft model wind tunnel test.
As an alternative embodiment, as shown in fig. 2 and 3, the outer mold 1 includes an outer mold upper half 11 and an outer mold lower half 12, the outer mold upper half 11 and the outer mold lower half 12 are rectangular parallelepiped as a whole, wherein: the outer mold upper half-mold 11 is detachably connected with the outer mold lower half-mold 12; a first cavity 111 is formed in the bottom surface of the outer mold upper half mold 11, a second cavity 121 is formed in the top surface of the outer mold lower half mold 12, and when the outer mold upper half mold 11 is connected with the outer mold lower half mold 12, the first cavity 111 and the second cavity 121 are connected to form a molding cavity 15; the first cavity 111 and the second cavity 121 are both cambered cavities, and the formed cavity 15 is matched with the outer surface shape of the hair-styling part 3.
The upper position of the side surface of the outer mold upper half mold 11 and the lower position of the side surface of the outer mold lower half mold 12 are both provided with fixing grooves, and the outer mold 1 can be installed on a machine tool through the fixing grooves.
As an alternative embodiment, as shown in fig. 3, an upper mold half-tensioning block 112 is disposed on a sidewall of the outer mold upper mold half 11, a lower mold half-tensioning block 122 is disposed on a sidewall of the outer mold lower mold half 12, a connector sequentially passes through the upper mold half-tensioning block 112 and the lower mold half-tensioning block 122 to connect the outer mold upper mold half 11 and the outer mold lower mold half 12, the upper mold half-tensioning block 112 and the lower mold half-tensioning block 122 are both configured as L-shaped tensioning blocks, and the L-shaped tensioning blocks are fixedly connected to a sidewall of the outer mold 1 through bolts; preferably, two upper mold half tensioning blocks 112 are symmetrically arranged on two side walls of the outer mold upper mold half 11, two lower mold half tensioning blocks 122 are symmetrically arranged on two side walls of the outer mold lower mold half 12, and the connecting piece is provided with a fastening bolt.
As an alternative embodiment, as shown in fig. 2, a positioning hole and/or a positioning pin is provided on the bottom surface of the outer mold upper half-die 11, the positioning pin and/or the positioning hole is provided on the top surface of the outer mold lower half-die 12, and the outer mold upper half-die 11 and the outer mold lower half-die 12 are connected in a positioning manner by corresponding to the positioning hole and the positioning pin; the positioning holes and the positioning pins are matched with each other for positioning during die assembly, meanwhile, the fastening block is convenient to tighten, and the problem that when the fastening block is tightened, the upper half die 11 and the lower half die 12 of the outer die are staggered with each other during die assembly to influence the forming of the send-out part is effectively avoided.
As an alternative embodiment, as shown in fig. 2, the outer mold 1 further includes a lip positioning block 14 and a tail positioning block 13, wherein: the lip positioning block 14 and the tail positioning block 13 are detachably connected to two end faces of the upper half die 11 of the outer die respectively and can seal the inner core die 2, the lip positioning block 14 is provided with a lip positioning groove 141, the tail positioning block 13 is provided with a tail positioning groove 131, and the lip end and the tail end of the inner core die 2 are arranged in the lip positioning groove 141 and the tail positioning groove 131 respectively; the shapes of the lip end and the tail end of the inner core mold 2 are respectively matched with the shapes of the lip positioning groove 141 and the tail positioning groove 131, and preferably, the shapes of the lip positioning groove 141 and the tail positioning groove 131 are both set to be quadrangles.
As an optional embodiment, as shown in fig. 4, the inner core mold of the present invention is a schematic structural diagram of the inner core mold, the inner core mold 2 includes an inner core 21, an outer core mold 22 is detachably disposed on an outer wall of the inner core 21, the outer core mold 22 is detachably disposed on the outer wall of the inner core 21 around a circle, and an outer surface of the outer core mold 22 is matched with an inner shape surface of the hair-styling part 3 in size; the two ends of the inner core 21 are respectively provided with the lip end and the tail end, and the lip end and the tail end are respectively arranged outside the outer core die 22, so that the integral installation of the inner core die 2 is facilitated.
As an alternative embodiment, as shown in fig. 5, the inner core mold of the present invention is an exploded view of the inner core mold, the inner core 21 is a quadrangular inner core, the outer core mold 22 includes an upper core module 221, a right core module 222, a lower core module 223, and a left core module 224, and the upper core module 221, the right core module 222, the lower core module 223, and the left core module 224 are detachably connected to four sidewalls of the quadrangular inner core, respectively; the outer surfaces of the upper core block 221, the right core block 222, the lower core block 223, and the left core block 224 are sequentially connected, and the overall shape thereof is matched with the shape of the inner surface of the hair chamber part 3.
As an optional implementation manner, as shown in fig. 6 of the exploded view of the inner core of the present invention, the inner core 21 includes a lip inner core 212 and a tail inner core 211, the lip inner core 212 and the tail inner core 211 are detachably connected, the upper core module 221, the right core module 222, the lower core module 223 and the left core module 224 are detachably disposed on the outer sidewalls of the lip inner core 212 and the tail inner core 211, a through hole 2111 is vertically disposed on the end surface of the tail inner core 211, an opening 2121 is disposed on the end surface of the connection end of the lip inner core 212, a thread is disposed in the opening 2121, a bolt passes through the through hole 2111 and is inserted into the opening 2121, the number of the through holes 2111 and the number of the opening 2121 are four, and the four through holes 2111 and the four opening.
The end face middle position of the lip end of the lip inner core 212 and the end face middle position of the tail end of the tail inner core 211 are both provided with fixing holes, the fixing holes are used for hoisting the lip inner core 212 and the tail inner core 211, the weight of the inner core 21 is large, and the inner core 21 is more convenient to install due to the arrangement of the fixing holes.
As an alternative embodiment, as shown in fig. 6, the connecting end of the lip inner 212 is provided with a positioning portion 2122, the positioning portion 2122 is disposed at a middle position of the connecting end of the lip inner 212, the connecting end of the tail inner 211 is provided with an installation groove, the installation groove is disposed at a middle position of the connecting end of the tail inner 211, the shape of the positioning portion 2122 is matched with the shape of the installation groove, when the lip inner 212 and the tail inner 211 are connected, the positioning portion 2122 is disposed in the installation groove, the through hole 2111 penetrates through the installation groove, the opening 2121 is disposed on the positioning portion 2122, and the positioning portion 2122 is disposed as a quadrilateral positioning block.
As an alternative embodiment, as shown in fig. 6, the upper core module 221, the right core module 222, the lower core module 223 and the left core module 224 are provided with mounting blocks 23 at both ends thereof, the mounting blocks 23 are provided with first mounting holes 231 therethrough, and the lip inner core 212 and the tail inner core 211 are provided with second mounting holes 213 at four sides thereof; a screw fastener is inserted through the first mounting hole 231 and into the second mounting hole 213, so that the upper core block 221, the right core block 222, the lower core block 223, and the left core block 224 are coupled to the outer sidewalls of the lip inner core 212 and the tail inner core 211; the lip positioning block 14 is provided with a second mounting block positioning groove 142, and the second mounting block positioning groove 142 is arranged at the bottom of the lip positioning groove 141; the tail opening positioning block 13 is provided with a first mounting block positioning groove 132, the first mounting block positioning groove 132 is arranged on the bottom of the tail opening positioning groove 131, the second mounting block positioning groove 142 and the first mounting block positioning groove 132 have the same structure, and the shape of the second mounting block positioning groove 142 is matched with that of the mounting block 23.
As shown in fig. 7, the schematic structural diagram of the hair-styling part of the present invention shows that the hair-styling part 3 includes a lip 31, a neck 32 and a tail 33, and fig. 7 shows that the hair-styling part 3 is a hair-styling part of a C919 airplane weight-reduction model.
The using process of the core-pulling type mold for the wind tunnel weight-reducing airplane model composite material launching component and the forming process of the launching component are as follows:
(I) respectively paving an outer cavity surface carbon fiber layer in a first cavity 111 of an upper half die 11 of the outer die and a second cavity 121 of a lower half die 12 of the outer die to respectively form an upper outer surface and a lower outer surface of the hair-styling part 3, after the forming is finished, positioning and closing the upper half die 11 of the outer die and the lower half die 12 of the outer die through the positioning holes and the positioning pins, tensioning the upper half die by an upper die tensioning block 112 and a lower die tensioning block 122, and then bonding and curing the upper outer surface and the lower outer surface through a bonding angle to obtain the outer surface of the hair-styling part 3;
(II) after the lip inner core 212 and the tail inner core 211 are positioned by the positioning part 2122 and the mounting groove, bolts sequentially penetrate through the through hole 2111 and the opening 2121 to connect the lip inner core 212 and the tail inner core 211, and then the upper core module 221, the right core module 222, the lower core module 223 and the left core module 224 are respectively mounted on the corresponding side walls of the lip inner core 212 and the tail inner core 211 by the corresponding mounting blocks 23;
after the inner core mold 2 is installed, laying an inner cavity-shaped carbon fiber layer on the outer surface of the inner core mold 2, introducing resin in vacuum, and performing bag pressing to obtain an inner shape surface of the hair-styling part 3;
(III) sticking a bonding angle to the lip part of the inner surface of the solidified and molded hair-styling part 3, putting the cured and molded hair-styling part and the inner core mold 2 into the cavity 15 together, finishing positioning and installation through the lip positioning block 14 and the tail opening positioning block 13, heating and solidifying after ensuring the bonding position of the outer surface and the inner surface to be accurate, and finishing the integral molding of the hair-styling part 3;
(IV) after the hair-styling part 3 is formed, detaching the lip inner core 212 and the tail inner core 211, detaching the upper core module 221, the lower core module 223, the left core module 224 and the right core module 222 in sequence, detaching the outer mold upper half-mold 11 and the outer mold lower half-mold 12, and completing demolding to obtain the final hair-styling part 3. The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. Wind-tunnel subtracts heavy aircraft model combined material send out room part core-pulling formula mould, its characterized in that includes outer mould (1) and inner core mould (2), wherein:
the inside of outer mould (1) is provided with die cavity (15), the internal surface of die cavity (15) and the cooperation of the outer shape face size of sending out room part (3), the surface of inner core mould (2) and the cooperation of the interior shape face size of sending out room part (3), inner core mould (2) can be dismantled and set up in die cavity (15), inner core mould (2) with die cavity (15) between outer mould (1) can form the annular and press from both sides the chamber, the annular presss from both sides the shaping that the chamber is used for sending out room part (3).
2. The wind tunnel weight-reducing airplane model composite material send out room part core-pulling type mold according to claim 1, characterized in that the outer mold (1) comprises an outer mold upper half mold (11) and an outer mold lower half mold (12), wherein:
the outer mould upper half mould (11) is detachably connected with the outer mould lower half mould (12);
the bottom surface of outer mould upper half (11) is provided with first cavity (111), the top surface of outer mould lower half (12) is provided with second cavity (121), outer mould upper half (11) with when outer mould lower half (12) are connected, first cavity (111) with second cavity (121) link to each other and form die cavity (15).
3. The wind tunnel weight-reducing airplane model composite material send out room part core-pulling type mold according to claim 2, characterized in that an upper mold tensioning block (112) is arranged on the side wall of the outer mold upper mold half (11), a lower mold tensioning block (122) is arranged on the side wall of the outer mold lower mold half (12), and a connecting piece sequentially penetrates through the upper mold tensioning block (112) and the lower mold tensioning block (122) to connect the outer mold upper mold half (11) and the outer mold lower mold half (12).
4. The wind tunnel weight-reducing airplane model composite material engine room part loose core type mold according to claim 2, characterized in that a positioning hole and/or a positioning pin is arranged on the bottom surface of the outer mold upper half mold (11), the positioning pin and/or the positioning hole is arranged on the top surface of the outer mold lower half mold (12), and the outer mold upper half mold (11) and the outer mold lower half mold (12) are connected in a positioning manner through corresponding to the positioning hole and the positioning pin.
5. The wind tunnel weight-reducing airplane model composite material send-out house component core-pulling type mold according to claim 2, wherein the outer mold (1) further comprises a lip positioning block (14) and a tail positioning block (13), wherein:
lip locating piece (14) with tail mouth locating piece (13) can be dismantled respectively and connect and be in can the shutoff on two terminal surfaces of outer mould upper half mould (11) inner core mould (2), be provided with lip constant head tank (141) on lip locating piece (14), be provided with tail mouth constant head tank (131) on tail mouth locating piece (13), the lip end and the tail mouth end of inner core mould (2) set up respectively lip constant head tank (141) with in tail mouth constant head tank (131).
6. The wind tunnel weight-reducing airplane model composite material engine room component loose core type mold according to claim 1, characterized in that the inner core mold (2) comprises an inner core (21), an outer side core mold (22) is detachably arranged on the outer wall of the inner core (21), the outer side core mold (22) is detachably arranged on the outer wall of the inner core (21) around one circle, and the outer surface of the outer side core mold (22) is matched with the inner shape surface of the engine room component (3) in size.
7. The wind tunnel weight-reducing airplane model composite material send out room component core-pulling type mold according to claim 6, characterized in that the inner core (21) is provided as a quadrilateral inner core, the outer core mold (22) comprises an upper core module (221), a right core module (222), a lower core module (223) and a left core module (224), and the upper core module (221), the right core module (222), the lower core module (223) and the left core module (224) are respectively detachably connected on four side walls of the quadrilateral inner core.
8. The wind tunnel weight-reducing airplane model composite material send out room part core-pulling type mold according to claim 7, characterized in that the inner core (21) comprises a lip inner core (212) and a tail inner core (211), the lip inner core (212) and the tail inner core (211) are detachably connected, and the upper core module (221), the right core module (222), the lower core module (223) and the left core module (224) are detachably arranged on the outer side walls of the lip inner core (212) and the tail inner core (211), respectively.
9. The wind tunnel weight-reducing airplane model composite material send-out room component loose core type mold according to claim 8, characterized in that the connecting end of the lip inner core (212) is provided with a positioning part (2122), the connecting end of the tail inner core (211) is provided with a mounting groove, the shape of the positioning part (2122) is matched with the shape of the mounting groove, and when the lip inner core (212) and the tail inner core (211) are connected, the positioning part (2122) is arranged in the mounting groove.
10. The wind tunnel weight-reducing airplane model composite material send-out component core-pulling type mold according to claim 8, wherein two ends of the upper core module (221), the right core module (222), the lower core module (223) and the left core module (224) are respectively provided with a mounting block (23), the mounting block (23) is provided with a first mounting hole (231) in a penetrating manner, and four side surfaces of the lip inner core (212) and four side surfaces of the tail inner core (211) are respectively provided with a second mounting hole (213);
a screw fastener is inserted into the second mounting hole (213) through the first mounting hole (231) to connect the upper core block (221), the right core block (222), the lower core block (223), and the left core block (224) to the outer sidewalls of the lip inner core (212) and the tail inner core (211).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921229951.0U CN210590095U (en) | 2019-07-30 | 2019-07-30 | Core-pulling type die for composite material launching part of wind tunnel weight-reducing airplane model |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921229951.0U CN210590095U (en) | 2019-07-30 | 2019-07-30 | Core-pulling type die for composite material launching part of wind tunnel weight-reducing airplane model |
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| CN110253792A (en) * | 2019-07-30 | 2019-09-20 | 哈尔滨市航科技术开发有限责任公司 | Wind-tunnel loss of weight model aircraft composite material sends out room component core-pulling type mold |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110253792A (en) * | 2019-07-30 | 2019-09-20 | 哈尔滨市航科技术开发有限责任公司 | Wind-tunnel loss of weight model aircraft composite material sends out room component core-pulling type mold |
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